Carbon remover



Patented Sept, 20,

No Drawing.

7 This invention-relates'to'improvements in l COIIIPOSltlOHS;Of'matGI'IalS for cleamn'g carbon deposits from gas-engine cylinders? The object of the invention is toprovide a'carbon-destroying composition of materials a that maybeinjected into the cylinders with entirely harmless efiects upon the metal there of and which will be particularly eificient in breaking down the hard carbon: incrustations of long standing. found neglected cylinders and leave the cylinders in a relatively V permanently clean condition. 7 r v includes the following ingredients in' approx- 7 Oil of cedar-wood lmTenlper,cent I The formula of my improved composition imately the proportions respectively set forth:

mately liquid.

one pound to each lsix gallons of the Such materials will resolve intoa complete V CLAUDEIR. MATTHIS, or on? nn- Is' oiineonl r onnnolvniiivioynni Application nl ed ul 27,

ky mesa ma militates against such use aswella's thefact' that I have found that a mixturecontaining approximately ten per cent of the .oil of cedar.-: V wood combined vwith other suitable I sub- Y stances of more or less volatilefstru cture will obtain just as good if'njot substantially-better effects and with much reduced expense.

2 Each and all of the other ingredients are individually in more or lessrdegree potentin destroying the "integrity offthe carbon in- I nd inaddition supply'an 'in'"* "creased degree of volatility intheir combina-' c a tionand including the-h ghly pervasive oil; *of cedarwood which under the-high ternj .peratures encountered will cause, the imcrustatiO Is a mediate. permeationthereby of the carbon r and; consequent destruction ,of" its [adhesion to the mtalsr a r 4 .Suchbther ingredients additiontothe I oilof cedar wood may be used in substantially lie-readily blown from j n'ders; While the oil of cedar-wood. I Y may be used singlyqas acarboneremoverwith r most successful resultsits relatively highcos-t 5L g use. The mixture is utilized by' removing the spark-plugs from the several cylinders ofthe position into each cylinder, spark-plugs,

whereupon the heatrgenerated by the combus mover material {will cause the gases arising V v' from thematerialjto penetrate the carbon de-' fand rapidly disintegrate such incrustations thenumber and proportions specified or they'l maybe omitted individually or the stated 'proportionsvaried to a considerable extent, 3 "without affecting materially the effectiveness. e 1 of the producuproviding, the o il .ofoedarQ; V 1 engine, pourlnga small quantltyofthe wood is .presentl in a sufiicient proportion. V p g th Such ingredients utilized tocombine with a an startlng g y the oil of cedar-wood arelhydrocarbonsand I all are, with the exception of-alcohol, of coaL j tar derivation having ,a marked aflinitylfor lq farbonaand vserve as eflicient solvents there- 5 or.- I "i r y The permanent results produced by the use Y i of my improved carbonremover-are also to be noted.- L It is-fo'und that for a considerable v i period after treatment with the compound and'after continueduse of the engine the in i mixture and will be immediately ready for tion of the gas-charge. acting upon thefrelposited on the cylinder walls and spark-plugs and efiect their removal byblowingthem out with the exhaustngases. A few minutes-interval of time may elapse with good results 7 between the closing ofthe cylinders'loy screwing' in the spark-plugs and the starting of the engine. l

' The most active single ingredient ojf my improved carbon destroyeristheoil of cedar wood whichis found to be most ,highlyefieca tivein penetrating the hardest carboinl de f posits and softening them to a condition of) disintegrationwherein they are resolved'into wte riors' of the cylinderswillbear odoriferous V7 I .1 witness to the'continued presence'iof traces of the remover'therein, the decided cedar fragif.ranceq-testifying 1to the prevalence and" permanenceof such essential oil'and the rela tive freedom from carbon-'depositsinthe jcyl;

inders thereafter'findioates theflasting effects:

obtainedbytheuseof thef'composition Having described my invention, what I claim, is v 1. A carbon-remover consisting of the following ingredients in approximately the 01- I lowing proportions: oil of cedar wood, ten

per cent; acetone, fifty per cent; benzol, sixteen per cent; and alcohol, twenty-four per cent. r

' 2. A carbon-remover consisting of the fol 10 lowing ingredients in approximately the following proportions: oil of cedar wood, ten

per cent; acetone, fifty per cent; benzol, sixteen per cent; alcohol, twenty-four per cent; and naphthalene, one pound to each 1 six gallons of the liquid.

r CLAUDE R. MATTHIS.

and

ool'f. 

